Mercy Internal Medicine Clinic
1000 4th Street S.W. Mason City, Iowa 50401
Phone: 641-428-6999
Fax: 641-428-6768

Providers:
 

Internal Medicine

• Patrick Dunlay, D.O.
• Bruce Harlan, M.D.
• William Riesen, M.D.
• Steven Septer, M.D. R.
• Lisa Hedrick, PA-C

Rheumatology 

• Bruce Trimble, M.D.
• Harinder Singh, M.D.
   

Pulmonology

• Gary Levinson, M.D.
• A.M. Perauthur, M.D.
• Daniel Pennington, M.D.
• Pranav Singh, M.D.

 Mercy Neurology Services

• A. Yarahmadi, M.D.

Office Hours:
8:00 a.m. to 5:00 p.m.
Monday - Friday

Please remit payment to:
Mercy Internal Medicine Clinic
PO Box 1894
Mason City, IA 50402-1894